allow building a full pubsub demo client JAR by executing 'mvn assembly:single'
diff --git a/examples/pubsub-client/pom.xml b/examples/pubsub-client/pom.xml
index c57c09d..7936baf 100644
--- a/examples/pubsub-client/pom.xml
+++ b/examples/pubsub-client/pom.xml
@@ -24,11 +24,11 @@
     <version>0.8-SNAPSHOT</version>
   </parent>
 
-  <groupId>org.apache.vysper.examples</groupId>
   <artifactId>vysper-pubsub-demo</artifactId>
   <name>Apache Vysper Publish-Subscribe demo</name>
   <version>0.8-SNAPSHOT</version>
-
+  <packaging>jar</packaging>
+  
   <dependencies>
     <dependency>
       <groupId>jivesoftware</groupId>
@@ -62,6 +62,33 @@
               </archive>
             </configuration>
         </plugin>
+          <plugin>
+              <!-- execute with 'mvn assembly:single' -->
+              <artifactId>maven-assembly-plugin</artifactId>
+              <configuration>
+                  <descriptorRefs>
+                      <descriptorRef>jar-with-dependencies</descriptorRef>
+                  </descriptorRefs>
+                  <archive>
+                       <manifest>
+                         <mainClass>org.apache.vysper.demo.pubsub.client.PubsubClientGUI</mainClass>
+                       </manifest>
+                     </archive>
+                  <finalName>pubsub-client-full</finalName>
+                  <appendAssemblyId>true</appendAssemblyId>
+              </configuration>
+              <executions>
+                  <execution>
+                      <id>make-assembly</id>
+                      <!-- this is used for inheritance merges -->
+                      <phase>package</phase>
+                      <!-- bind to the packaging phase -->
+                      <goals>
+                          <goal>single</goal>
+                      </goals>
+                  </execution>
+              </executions>
+          </plugin>
       </plugins>
     </pluginManagement>
   </build>